About this item: Dual Functionality Design: Experience premium Bluetooth audio and soothing muscle relaxation simultaneously with the unique S13 ear-hook headphones. Targeted Relaxation: Gentle vibrations target deep tissue around the ears and neck area for enhanced comfort and muscle ease during or after use. Customizable Comfort: Choose from 3 adjustable vibration modes to personalize your relaxation experience according to your preference. Advanced Audio: Features a stable over-ear hook design, an adjustable headband for perfect fit. Long-Lasting Performance: Enjoy extended sessions with impressive battery life for both your music and relaxation features Specification Material: PC/ABS Input Voltage(V): 5V Plug Type: Cordless Net weight: 147g Color: Beige/Purple/Black Packing List 1*S13 Vibration Massage Bluetooth Headphones Notes: 1.Please allow slight differences due to manual measurement. 2.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.